code: def set_weights(self, params):
      self.agent.set_weights(params)
  
file_path: PARL/benchmark/torch/a2c/actor.py
imports: import os
  import gym
  import parl
  import torch
  import numpy
  from collections import defaultdict
  from parl.env.atari_wrappers import wrap_deepmind, MonitorEnv, get_wrapper_by_cls
  from parl.env.vector_env import VectorEnv
  from parl.utils.rl_utils import calc_gae
  from atari_model import ActorCritic
  from parl.algorithms import A2C
  from atari_agent import Agent
label_desc: Use image node_id 4 for calling the Actor obj's underlying member method code with example usage: obj.set_weights(params) without return types